Example usage for android.graphics Canvas drawText

List of usage examples for android.graphics Canvas drawText

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  6. drawText

Introduction

In this page you can find the example usage for android.graphics Canvas drawText.

Prototype

public void drawText(@NonNull String text, float x, float y, @NonNull Paint paint)

Source Link

Document

Draw the text, with origin at (x,y), using the specified paint.

Usage

From source file:io.doist.datetimepicker.time.RadialTimePickerView.java

/**
 * Draw the 12 text values at the positions specified by the textGrid parameters.
 *///  w w  w .  j  a  v a 2  s .com
private void drawTextElements(Canvas canvas, float textSize, Typeface typeface, String[] texts,
        float[] textGridWidths, float[] textGridHeights, Paint paint, int color, int alpha) {
    paint.setTextSize(textSize);
    paint.setTypeface(typeface);
    paint.setColor(color);
    paint.setAlpha(getMultipliedAlpha(color, alpha));
    canvas.drawText(texts[0], textGridWidths[3], textGridHeights[0], paint);
    canvas.drawText(texts[1], textGridWidths[4], textGridHeights[1], paint);
    canvas.drawText(texts[2], textGridWidths[5], textGridHeights[2], paint);
    canvas.drawText(texts[3], textGridWidths[6], textGridHeights[3], paint);
    canvas.drawText(texts[4], textGridWidths[5], textGridHeights[4], paint);
    canvas.drawText(texts[5], textGridWidths[4], textGridHeights[5], paint);
    canvas.drawText(texts[6], textGridWidths[3], textGridHeights[6], paint);
    canvas.drawText(texts[7], textGridWidths[2], textGridHeights[5], paint);
    canvas.drawText(texts[8], textGridWidths[1], textGridHeights[4], paint);
    canvas.drawText(texts[9], textGridWidths[0], textGridHeights[3], paint);
    canvas.drawText(texts[10], textGridWidths[1], textGridHeights[2], paint);
    canvas.drawText(texts[11], textGridWidths[2], textGridHeights[1], paint);
}

From source file:piuk.blockchain.android.util.ViewPagerTabs.java

@Override
protected void onDraw(final Canvas canvas) {
    super.onDraw(canvas);

    final int viewWidth = getWidth();
    final int viewHalfWidth = viewWidth / 2;
    final int viewBottom = getHeight();

    final float density = getResources().getDisplayMetrics().density;
    final float spacing = 32 * density;

    final Path path = new Path();
    path.moveTo(viewHalfWidth, viewBottom - 5 * density);
    path.lineTo(viewHalfWidth + 5 * density, viewBottom);
    path.lineTo(viewHalfWidth - 5 * density, viewBottom);
    path.close();//www  . j a va  2  s  .  c o  m

    paint.setColor(Color.WHITE);
    canvas.drawPath(path, paint);

    paint.setTypeface(Typeface.DEFAULT_BOLD);
    final float y = getPaddingTop() + -paint.getFontMetrics().top;

    for (int i = 0; i < labels.size(); i++) {
        final String label = labels.get(i);

        paint.setTypeface(i == pagePosition ? Typeface.DEFAULT_BOLD : Typeface.DEFAULT);
        paint.setColor(i == pagePosition ? Color.BLACK : Color.DKGRAY);

        final float x = viewHalfWidth + (maxWidth + spacing) * (i - pageOffset);
        final float labelWidth = paint.measureText(label);
        final float labelHalfWidth = labelWidth / 2;

        final float labelLeft = x - labelHalfWidth;
        final float labelVisibleLeft = labelLeft >= 0 ? 1f : 1f - (-labelLeft / labelWidth);

        final float labelRight = x + labelHalfWidth;
        final float labelVisibleRight = labelRight < viewWidth ? 1f
                : 1f - ((labelRight - viewWidth) / labelWidth);

        final float labelVisible = Math.min(labelVisibleLeft, labelVisibleRight);

        paint.setAlpha((int) (labelVisible * 255));

        canvas.drawText(label, labelLeft, y, paint);
    }
}

From source file:com.ultramegatech.ey.widget.PeriodicTableView.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    canvas.drawRect(0, 0, getRight(), getBottom(), mBgPaint);
    mRect.top = (int) (mBlockSize * 1.3) + mContentRect.top + mContentOffset.y;
    mRect.left = mBlockSize * 3 + mContentRect.left + mContentOffset.x;
    mRect.bottom = mRect.top + mBlockSize * 2;
    mRect.right = mRect.left + mBlockSize * 9;
    mLegend.drawLegend(canvas, mRect);/*w w  w  . j  ava  2s  .com*/

    writeHeaders(canvas);
    writeTitle(canvas);

    for (PeriodicTableBlock block : mPeriodicTableBlocks) {
        findBlockPosition(block);

        if (!isBlockVisible(mRect)) {
            continue;
        }

        mBlockPaint.setColor(block.color);

        canvas.drawRect(mRect, mBlockPaint);

        canvas.drawText(block.element.symbol, mRect.left + mBlockSize / 2,
                mRect.bottom - (int) (mBlockSize / 2.8), mSymbolPaint);

        canvas.drawText(String.valueOf(block.element.number), mRect.left + mBlockSize / 20,
                mRect.top + mNumberPaint.getTextSize(), mNumberPaint);

        canvas.drawText(block.subtext, mRect.left + mBlockSize / 2, mRect.bottom - mBlockSize / 20,
                mSmallTextPaint);
    }

    if (mBlockSelected != null) {
        mSelectedPaint.setStrokeWidth(mBlockSize / 10);
        findBlockPosition(mBlockSelected);
        canvas.drawRect(mRect, mSelectedPaint);
    }

    drawEdgeEffects(canvas);
}

From source file:com.jjoe64.graphview.GridLabelRenderer.java

/**
 * draws the horizontal axis title if//w  w w  . j av a2 s  .c  o m
 * it is set
 * @param canvas canvas
 */
protected void drawHorizontalAxisTitle(Canvas canvas) {
    if (mHorizontalAxisTitle != null && mHorizontalAxisTitle.length() > 0) {
        mPaintAxisTitle.setColor(getHorizontalAxisTitleColor());
        mPaintAxisTitle.setTextSize(getHorizontalAxisTitleTextSize());
        float x = canvas.getWidth() / 2;
        float y = canvas.getHeight() - mStyles.padding;
        canvas.drawText(mHorizontalAxisTitle, x, y, mPaintAxisTitle);
    }
}

From source file:biz.wiz.android.wallet.util.ViewPagerTabs.java

@Override
protected void onDraw(final Canvas canvas) {
    super.onDraw(canvas);

    final int viewWidth = getWidth();
    final int viewHalfWidth = viewWidth / 2;
    final int viewBottom = getHeight();

    final float density = getResources().getDisplayMetrics().density;
    final float spacing = 32 * density;

    path.reset();/*w  ww .  ja va 2  s  .  c om*/
    path.moveTo(viewHalfWidth, viewBottom - 5 * density);
    path.lineTo(viewHalfWidth + 5 * density, viewBottom);
    path.lineTo(viewHalfWidth - 5 * density, viewBottom);
    path.close();

    paint.setColor(Color.WHITE);
    canvas.drawPath(path, paint);

    paint.setTypeface(Typeface.DEFAULT_BOLD);
    final float y = getPaddingTop() + -paint.getFontMetrics().top;

    for (int i = 0; i < labels.size(); i++) {
        final String label = labels.get(i);

        paint.setTypeface(i == pagePosition ? Typeface.DEFAULT_BOLD : Typeface.DEFAULT);
        paint.setColor(i == pagePosition ? Color.BLACK : Color.DKGRAY);

        final float x = viewHalfWidth + (maxWidth + spacing) * (i - pageOffset);
        final float labelWidth = paint.measureText(label);
        final float labelHalfWidth = labelWidth / 2;

        final float labelLeft = x - labelHalfWidth;
        final float labelVisibleLeft = labelLeft >= 0 ? 1f : 1f - (-labelLeft / labelWidth);

        final float labelRight = x + labelHalfWidth;
        final float labelVisibleRight = labelRight < viewWidth ? 1f
                : 1f - ((labelRight - viewWidth) / labelWidth);

        final float labelVisible = Math.min(labelVisibleLeft, labelVisibleRight);

        paint.setAlpha((int) (labelVisible * 255));

        canvas.drawText(label, labelLeft, y, paint);
    }
}

From source file:com.lt.adamlee.aagame.GameView.java

public void about(Canvas c) {
    int textsize = (int) F.hf(20.0f);
    Paint p3 = new Paint();
    p3.setTypeface(tf);/*  w  w  w  . j  av a 2s .  co  m*/
    p3.setColor(ViewCompat.MEASURED_STATE_MASK);
    p3.setFlags(1);
    p3.setTextSize((float) textsize);
    Paint pagepaint = new Paint();
    pagepaint.setColor(getResources().getColor(R.color.abc_secondary_text_material_light));
    c.drawRect(0.0f, 0.0f, (float) screenW, (float) screenH, pagepaint);
    p3.setTextSize(F.hf(30.0f));
    c.drawText(ctx.getString(R.string.about),
            ((float) (screenW / 2)) - (p3.measureText(ctx.getString(R.string.about)) / 2.0f),
            (float) (screenH / 4), p3);
    p3.setTextSize((float) textsize);
    c.drawText(ctx.getString(R.string.app_name),
            ((float) (screenW / 2)) - (p3.measureText(ctx.getString(R.string.app_name)) / 2.0f),
            (float) (((textsize * 2) + 1) + ((screenH - (textsize * 7)) / 2)), p3);
    c.drawText("License Version 1.7", ((float) (screenW / 2)) - (p3.measureText("License Version 1.7") / 2.0f),
            (float) (((textsize * 3) + 1) + ((screenH - (textsize * 7)) / 2)), p3);
    p3.setTextSize(F.hf(17.0f));
    c.drawText("Powered by Map Game Studio",
            ((float) (screenW / 2)) - (p3.measureText("Powered by Map Game Studio") / 2.0f),
            (float) (((textsize * 4) + 1) + ((screenH - (textsize * 7)) / 2)), p3);
    p3.setTextSize(F.hf(17.0f));
    c.drawText("Email:mapgamestudio@gmail.com",
            ((float) (screenW / 2)) - (p3.measureText("Email:mapgamestudio@gmail.com") / 2.0f),
            (float) (((textsize * 5) + 1) + ((screenH - (textsize * 7)) / 2)), p3);
}

From source file:com.simadanesh.isatis.ScreenSlideActivity.java

void makeBMP(CalculationResult res) {

    Bitmap bmp = Bitmap.createBitmap(400, 800, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bmp);

    //canvas.drawARGB(155, 253, 255, 253);
    canvas.drawARGB(255, 255, 255, 255);
    Paint p = new Paint();
    p.setTypeface(Utility.getNazaninFont());
    p.setTextSize(25);//from  w w w.  ja  v a  2 s . c  om
    p.setAntiAlias(true);

    int y = 20;
    Drawable d = getResources().getDrawable(R.drawable.abfa);
    d.setBounds(100, 10, 300, 210);
    d.draw(canvas);
    p.setTextAlign(Paint.Align.CENTER);
    y += 210;
    canvas.drawText("   ?  ", 200, y, p);
    y += 40;
    canvas.drawText("  ", 200, y, p);
    y += 40;
    canvas.drawText("  ", 200, y, p);
    y += 40;
    canvas.drawText(":" + Utility.NowDate(), 200, y, p);
    y += 40;
    canvas.drawText("___________________________", 200, y, p);
    y += 40;
    canvas.drawText(" :" + res.CustomerNumber, 200, y, p);
    y += 40;
    canvas.drawText(" :" + res.Title, 200, y, p);
    y += 40;
    canvas.drawText(" :" + Seprate3(res.BillAmount), 200, y, p);
    y += 40;
    canvas.drawText(" :" + Seprate3(res.PreviousDebt), 200, y, p);

    y += 40;
    Paint p1 = new Paint();
    p1.setTypeface(Utility.getNazaninFont());
    p1.setARGB(255, 0, 0, 0);
    p1.setAntiAlias(true);
    p1.setStrokeWidth(40);
    p1.setStyle(Paint.Style.STROKE);
    canvas.drawLine(10, y, 390, y, p1);
    p.setARGB(255, 255, 255, 255);
    canvas.drawText("  :" + Seprate3(res.TotalAmount) + " ", 200, y, p);
    p.setARGB(255, 0, 0, 0);

    y += 40;
    canvas.drawText("__________________________", 200, y, p);
    y += 40;
    canvas.drawText(" :" + res.BillIdentifier, 200, y, p);
    y += 40;
    canvas.drawText(" :" + res.PaymentIdentifier, 200, y, p);

    /* Path pth = new Path();
     pth.addArc(10, 20, 390, 790, 0, 360);
            
     p.setColor(Color.argb(20, 10, 10, 10));
     p.setTextSize(30);
     String watermark = "";
     for (int i = 0; i < 15; i++) {
     watermark += "  ";
     }
     canvas.drawTextOnPath(watermark, pth, 0, 0, p);*/
    //File file = new File(getCacheDir()+ "/billing.png");
    File file = new File("/sdcard/billing.png");
    FileOutputStream outfile;
    try {
        outfile = new FileOutputStream(file);
        bmp.compress(Bitmap.CompressFormat.PNG, 100, outfile);

        Intent intent = new Intent();
        intent.setAction(android.content.Intent.ACTION_VIEW);
        intent.setDataAndType(Uri.fromFile(file), "image/*");
        startActivity(intent);

    } catch (Exception ex) {
        Log.e("error", ex.toString());
    }

}

From source file:com.kncwallet.wallet.util.ViewPagerTabs.java

@Override
protected void onDraw(final Canvas canvas) {
    super.onDraw(canvas);

    final int viewWidth = getWidth();
    final int viewHalfWidth = viewWidth / 2;
    final int viewBottom = getHeight();

    final float density = getResources().getDisplayMetrics().density;
    final float spacing = 32 * density;

    path.reset();//from www  .  j  av a  2 s .  c  om
    path.moveTo(viewHalfWidth, viewBottom - 5 * density);
    path.lineTo(viewHalfWidth + 5 * density, viewBottom);
    path.lineTo(viewHalfWidth - 5 * density, viewBottom);
    path.close();

    paint.setColor(Color.TRANSPARENT);
    canvas.drawPath(path, paint);

    paint.setTypeface(Typeface.DEFAULT_BOLD);
    final float y = getPaddingTop() + -paint.getFontMetrics().top;

    for (int i = 0; i < labels.size(); i++) {
        final String label = labels.get(i);

        paint.setTypeface(i == pagePosition ? Typeface.DEFAULT_BOLD : Typeface.DEFAULT);
        paint.setColor(i == pagePosition ? Color.WHITE : Color.WHITE);

        final float x = viewHalfWidth + (maxWidth + spacing) * (i - pageOffset);
        final float labelWidth = paint.measureText(label);
        final float labelHalfWidth = labelWidth / 2;

        final float labelLeft = x - labelHalfWidth;
        final float labelVisibleLeft = labelLeft >= 0 ? 1f : 1f - (-labelLeft / labelWidth);

        final float labelRight = x + labelHalfWidth;
        final float labelVisibleRight = labelRight < viewWidth ? 1f
                : 1f - ((labelRight - viewWidth) / labelWidth);

        final float labelVisible = Math.min(labelVisibleLeft, labelVisibleRight);

        paint.setAlpha((int) (labelVisible * 255));

        canvas.drawText(label, labelLeft, y, paint);
    }
}

From source file:com.simadanesh.isatis.ScreenSlideActivity.java

void makePDF(CalculationResult res) {

    PdfDocument doc = new PdfDocument();
    PdfDocument.PageInfo inf = new PdfDocument.PageInfo.Builder(400, 800, 1).create();
    PdfDocument.Page page = doc.startPage(inf);

    Canvas canvas = page.getCanvas();

    //canvas.drawARGB(155, 253, 255, 253);
    canvas.drawARGB(255, 255, 255, 255);
    Paint p = new Paint();
    p.setTypeface(Utility.getNazaninFont());
    p.setTextSize(25);//from  w  w  w  .  j  ava 2  s.c  o  m
    p.setAntiAlias(true);

    int y = 20;
    Drawable d = getResources().getDrawable(R.drawable.abfa);
    d.setBounds(100, 10, 300, 210);
    d.draw(canvas);
    p.setTextAlign(Paint.Align.CENTER);
    y += 210;
    canvas.drawText("   ?  ", 200, y, p);
    y += 40;
    canvas.drawText("  ", 200, y, p);
    y += 40;
    canvas.drawText("  ", 200, y, p);
    y += 40;
    canvas.drawText(":" + Utility.NowDate(), 200, y, p);
    y += 40;
    canvas.drawText("___________________________", 200, y, p);
    y += 40;
    canvas.drawText(" :" + res.CustomerNumber, 200, y, p);
    y += 40;
    canvas.drawText(" :" + res.Title, 200, y, p);
    y += 40;
    canvas.drawText(" :" + Seprate3(res.BillAmount), 200, y, p);
    y += 40;
    canvas.drawText(" :" + Seprate3(res.PreviousDebt), 200, y, p);

    y += 40;
    Paint p1 = new Paint();
    p1.setTypeface(Utility.getNazaninFont());
    p1.setARGB(255, 0, 0, 0);
    p1.setAntiAlias(true);
    p1.setStrokeWidth(40);
    p1.setStyle(Paint.Style.STROKE);
    canvas.drawLine(10, y, 390, y, p1);
    p.setARGB(255, 255, 255, 255);
    canvas.drawText("  :" + Seprate3(res.TotalAmount) + " ", 200, y, p);
    p.setARGB(255, 0, 0, 0);

    y += 40;
    canvas.drawText("__________________________", 200, y, p);
    y += 40;
    canvas.drawText(" :" + res.BillIdentifier, 200, y, p);
    y += 40;
    canvas.drawText(" :" + res.PaymentIdentifier, 200, y, p);

    doc.finishPage(page);
    //File file = new File(getCacheDir()+ "/billing.png");
    File file = new File("/sdcard/billing.pdf");
    FileOutputStream outfile;
    try {
        outfile = new FileOutputStream(file);
        //bmp.compress(Bitmap.CompressFormat.PNG, 100, outfile);
        doc.writeTo(outfile);
        doc.close();

        Intent intent = new Intent();
        intent.setAction(android.content.Intent.ACTION_VIEW);
        //intent.setDataAndType(Uri.fromFile(file), "image/*");
        intent.setDataAndType(Uri.fromFile(file), "application/pdf");
        startActivity(intent);
        //new RetrieveFeedTask().execute(bmp);

    } catch (Exception ex) {
        Log.e("error", ex.toString());
        new AlertDialog.Builder(this).setMessage(
                "    ? pdf    ? \n https://cafebazaar.ir/app/com.kdanmobile.android.pdfreader.google.pad/?l=fa   ")
                .show();
    }

}

From source file:org.florescu.android.rangeseekbar.RangeSeekBar.java

/**
 * Draws the widget on the given canvas.
 *//*from w  w w.  j  a  v a2  s .c  om*/
@Override
protected synchronized void onDraw(@NonNull Canvas canvas) {
    super.onDraw(canvas);

    paint.setTextSize(mTextSize);
    paint.setStyle(Style.FILL);
    paint.setColor(mDefaultColor);
    paint.setAntiAlias(true);
    float minMaxLabelSize = 0;

    if (mShowLabels) {
        // draw min and max labels
        String minLabel = getContext().getString(R.string.demo_min_label);
        String maxLabel = getContext().getString(R.string.demo_max_label);
        minMaxLabelSize = Math.max(paint.measureText(minLabel), paint.measureText(maxLabel));
        float minMaxHeight = mTextOffset + mThumbHalfHeight + mTextSize / 3;
        canvas.drawText(minLabel, 0, minMaxHeight, paint);
        canvas.drawText(maxLabel, getWidth() - minMaxLabelSize, minMaxHeight, paint);
    }

    padding = mInternalPad + minMaxLabelSize;

    // draw seek bar background line
    mRect.left = padding;
    mRect.right = getWidth() - padding;
    canvas.drawRect(mRect, paint);

    padding = mThumbHalfWidth + minMaxLabelSize;

    boolean selectedValuesAreDefault = (getSelectedMinValue().equals(getAbsoluteMinValue())
            && getSelectedMaxValue().equals(getAbsoluteMaxValue()));

    int colorToUseForButtonsAndHighlightedLine = !isEnabled() ? mDefaultColor
            : (!mAlwaysActive && !mActivateOnDefaultValues && selectedValuesAreDefault ? mDefaultColor : // default values
                    mActiveColor); // non default, filter is active

    padding = mInternalPad + minMaxLabelSize + (mThumbHalfWidth * 2);

    // draw seek bar active range line
    mRect.left = normalizedToScreen(normalizedMinValue) - mThumbHalfWidth;
    mRect.right = normalizedToScreen(normalizedMaxValue) + mThumbHalfWidth;

    paint.setColor(colorToUseForButtonsAndHighlightedLine);
    canvas.drawRect(mRect, paint);

    // draw minimum thumb (& shadow if requested) if not a single thumb control
    if (!mSingleThumb) {
        if (mThumbShadow) {
            drawThumbShadow(normalizedToScreen(normalizedMinValue), canvas);
        }
        drawThumb(normalizedToScreen(normalizedMinValue), Thumb.MIN.equals(pressedThumb), canvas,
                selectedValuesAreDefault, false);
    }

    // draw maximum thumb & shadow (if necessary)
    if (mThumbShadow) {
        drawThumbShadow(normalizedToScreen(normalizedMaxValue), canvas);
    }
    drawThumb(normalizedToScreen(normalizedMaxValue), Thumb.MAX.equals(pressedThumb), canvas,
            selectedValuesAreDefault, true);

    // draw the text
    if (mShowTextAboveThumbs) {
        paint.setTextSize(mTextSize);
        paint.setColor(mTextAboveThumbsColor);

        drawThumbText(canvas);
    }

}